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TBWOODS 7SCH78 7SC-HX7/8 SF HUB
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$59.36
Bore size7/8 inBore size (in)7/8Bore tolerance+.0005 to +.0015Capscrew sizeQty 4 -- 1/4 x 1-7/8Capscrew size (in)Qty 4 -- 1/4 x 1-7/8Capscrew torque requirement9 in-lbsCapscrew torque requirment (ft lbs)9Component WR2 (lbs ft2)0.0169Component WR²0.0169Construction typeFinish bore with keywayCoupling size7Dimension (in) (C)1 15/32Dimension (in) (H)2 13/16Dimension (in) (S)1/2Horsepower Rating at 100 RPM50Keyseat (in)3/16 x 3/32Keyseat size3/16 in x 3/32 inLength through bore1.46875Material typeHigh strength cast ironMax angular gap misalignment0.081 (in) with EPDM/Neoprene Sleeves and 0.020 (in) with Hytrel SleevesMax angular misalignment1° with EPDM/neoprene sleeves and 1/4° with hytrel sleevesMax compatible bore size1.875Max parallel misalignment7Max RPM5250Max speed5250Min compatible bore size0.625Power rating at 100 RPM1.1 kW with EPDM or Neoprene sleeve, 3.4 kW with Hytrel sleeveScrew sizeSetscrewScrew typeHub, spacerSet screw distance0.5Setscrew length0.75Setscrew length (in)3/4Setscrew size, location5/16 18 UNC, over keyseatSetscrew torque requirement13Setscrew Torque Requirment (ft lbs)13SF hub diameter2.8125Torque940 in-lb with EPDM or Neoprene sleeve, 2,875 in-lb with Hytrel sleeveTorque rate940 (in-lbs) with EPDM or Neoprene sleeve; 2,875 (in-lbs) with Hytrel sleeve
Specifications
| Bore size | 7/8 in |
| Bore size (in) | 7/8 |
| Bore tolerance | +.0005 to +.0015 |
| Capscrew size | Qty 4 -- 1/4 x 1-7/8 |
| Capscrew size (in) | Qty 4 -- 1/4 x 1-7/8 |
| Capscrew torque requirement | 9 in-lbs |
| Capscrew torque requirment (ft lbs) | 9 |
| Component WR2 (lbs ft2) | 0.0169 |
| Component WR² | 0.0169 |
| Construction type | Finish bore with keyway |
| Coupling size | 7 |
| Dimension (in) (C) | 1 15/32 |
| Dimension (in) (H) | 2 13/16 |
| Dimension (in) (S) | 1/2 |
| Horsepower Rating at 100 RPM | 50 |
| Keyseat (in) | 3/16 x 3/32 |
| Keyseat size | 3/16 in x 3/32 in |
| Length through bore | 1.46875 |
| Material type | High strength cast iron |
| Max angular gap misalignment | 0.081 (in) with EPDM/Neoprene Sleeves and 0.020 (in) with Hytrel Sleeves |
| Max angular misalignment | 1° with EPDM/neoprene sleeves and 1/4° with hytrel sleeves |
| Max compatible bore size | 1.875 |
| Max parallel misalignment | 7 |
| Max RPM | 5250 |
| Max speed | 5250 |
| Min compatible bore size | 0.625 |
| Power rating at 100 RPM | 1.1 kW with EPDM or Neoprene sleeve, 3.4 kW with Hytrel sleeve |
| Screw size | Setscrew |
| Screw type | Hub, spacer |
| Set screw distance | 0.5 |
| Setscrew length | 0.75 |
| Setscrew length (in) | 3/4 |
| Setscrew size, location | 5/16 18 UNC, over keyseat |
| Setscrew torque requirement | 13 |
| Setscrew Torque Requirment (ft lbs) | 13 |
| SF hub diameter | 2.8125 |
| Torque | 940 in-lb with EPDM or Neoprene sleeve, 2,875 in-lb with Hytrel sleeve |
| Torque rate | 940 (in-lbs) with EPDM or Neoprene sleeve; 2,875 (in-lbs) with Hytrel sleeve |
7SCH78
